The tourism industry has been developed in various ways, including community-based homestay activities, rural areas. activities include local people’s lifestyles, cultural heritage, traditional food, economic recreation, and environmental preservation that attract the guests of accommodations. Community-based aims to tourists tourism, particularly their homestays, experience uniqueness communit...

delivering perishable products to customers as soon as possible and with the minimum cost has been always a challenge for producers and has been emphasized over recent years due to the global market becoming more competitive. in this paper a multi-objective mix integer non-linear programming model is proposed to maximize both profits of a distributer and the total freshness of the several produ...